2004 Audi A4 Bolt Pattern
Checking fitment for your vehicle? Below you will find the factory bolt pattern (also known as the lug pattern) for the 2004 Audi A4, along with offset and center bore data.
| Bolt Pattern (Lug Pattern) | 5x112 |
|---|---|
| Lug Nut / Bolt Size | B 14x1.50 |
| Center Bore (CB) | 57.1 mm |
| Offset (ET) | 45 |
| Torque Specs | 100 ft-lbs (135 Nm) |
2004 A4 — Year-Specific Fitment Context
The 2004 Audi A4 is in year 9 of 29 using the 5x112 pattern (1996–2024). Wheels from any 1996–2024 Audi A4 are cross-compatible with the 2004 model.
Audi A4 Bolt Pattern by Year
The table below shows how the A4's wheel specifications have changed over the years. The 2004 model year is highlighted.
| Year | Bolt Pattern | Center Bore | Offset |
|---|---|---|---|
| 1996 | 5x112 | 57.1 | 45 |
| 1997 | 5x112 | 57.1 | 45 |
| 1998 | 5x112 | 57.1 | 45 |
| 1999 | 5x112 | 57.1 | 45 |
| 2000 | 5x112 | 57.1 | 45 |
| 2001 | 5x112 | 57.1 | 45 |
| 2002 | 5x112 | 57.1 | 45 |
| 2003 | 5x112 | 57.1 | 45 |
| ▸ 2004 | 5x112 | 57.1 | 45 |
| 2005 | 5x112 | 57.1 | 45 |
| 2006 | 5x112 | 57.1 | 45 |
| 2007 | 5x112 | 57.1 | 45 |
| 2008 | 5x112 | 57.1 | 45 |
| 2009 | 5x112 | 57.1 | 45 |
| 2010 | 5x112 | 66.6 | 45 |
| 2011 | 5x112 | 66.6 | 45 |
| 2012 | 5x112 | 66.6 | 45 |
| 2013 | 5x112 | 66.6 | 45 |
| 2014 | 5x112 | 66.6 | 45 |
| 2015 | 5x112 | 66.6 | 45 |
| 2016 | 5x112 | 66.6 | 45 |
| 2017 | 5x112 | 66.6 | 45 |
| 2018 | 5x112 | 66.5 | 30-45 |
| 2019 | 5x112 | 66.5 | 30-45 |
| 2020 | 5x112 | 66.5 | 30-45 |
| 2021 | 5x112 | 66.5 | 30-45 |
| 2022 | 5x112 | 66.5 | 30-45 |
| 2023 | 5x112 | 66.5 | 30-45 |
| 2024 | 5x112 | 66.5 | 30-45 |
5x112 Pattern Context
This bolt pattern appears on 1490 vehicles in our current database and is considered common.
Examples of other vehicles using 5x112:
Expert Buying Guide for 2004 Audi A4
For your 2004 Audi A4, the 5x112 bolt pattern is shared across 1996–2024 models, ensuring broad wheel compatibility. However, the 57.1mm center bore is critical: aftermarket wheels often have a larger bore, requiring hub-centric rings to prevent vibration and ensure proper load distribution. The offset is sensitive; the stock 45mm offset maintains suspension geometry and brake clearance. Deviating more than ±5mm may cause rubbing or handling issues. Always use lug nuts with the correct thread pitch (14x1.50) and seat type—Audi uses ball seats, not conical. Using the wrong seat can loosen lug nuts, leading to wheel detachment. Re-torque after 50 miles of driving.
Historical Fitment Data Reference
In our dataset, Audi A4 appears from 1996 to 2024 (29 model years). Across recorded model years, this model generally keeps the same bolt pattern.
- Observed bolt-pattern variants for this model: 1
- Observed center-bore variants for this model: 3
- Observed lug-size variants for this model: 2
- Observed total offset span across years: 90.0 mm
Quick Tips & Safety Warnings
- ✅ Always use hub-centric rings if aftermarket wheels have a bore larger than 57.1mm to avoid vibrations.
- ✅ Stick to offsets between 40mm and 50mm to prevent rubbing on fenders or suspension components.
- ✅ Re-torque lug nuts to 90 ft-lb after 50 miles, and verify ball seat compatibility to avoid loosening.
- ⚠️ Confirm bolt pattern carefully. 5x112 is often confused with other common 5-lug patterns.
- ⚠️ Torque lugs in a star pattern to 100 ft-lbs (135 Nm), then re-check torque after 50-100 km (30-60 miles).
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2004 Audi A4 — Frequently Asked Questions
What is the bolt pattern for a 2004 Audi A4?
The 2004 Audi A4 uses a 5x112 bolt pattern (also called lug pattern or PCD). The center bore is 57.1mm and the offset is 45mm.
What other years of Audi A4 have the same bolt pattern as the 2004?
The Audi A4 uses the 5x112 pattern from 1996 through 2024. Wheels from any of these model years are dimensionally compatible with the 2004, provided the offset and center bore also match.
What is the center bore of a 2004 Audi A4?
The factory center bore (hub bore) for the 2004 Audi A4 is 57.1mm. If your aftermarket wheels have a larger hub bore, you will need hub-centric rings to prevent vibration.
Can I use spacers on my 2004 Audi A4?
Yes, but ensure the wheel spacers match the 5x112 bolt pattern and 57.1mm center bore. Also verify that you have enough thread engagement for your B 14x1.50 hardware.
Why is matching the 57.1mm center bore important for the 2004 A4?
The 57.1mm center bore ensures the wheel is perfectly centered on the hub. If the wheel is lug-centric instead of hub-centric, you may experience steering wheel vibration at highway speeds.
What lug nut size does the 2004 Audi A4 use?
The 2004 Audi A4 uses B 14x1.50 lug nuts. Always verify the thread pitch and seat type (cone, ball, or flat) match your aftermarket wheels.
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